text: ## -*- coding: utf-8 -*-
  ## (C) 2019 Muthiah Annamalai,
  ## This module is part of solthiruthi project under open-tamil umbrella.
  ## This code maybe used/distributed under MIT LICENSE.
  
  #qwerty keyboard
  confusion_matrix = {
      # row 1
      'q' : ['w','s','a'],
      'w' : ['q','e','d','s','a'],
      'e' : ['r','f','d','s','w'],
      'r' : ['e','d','f','g','t'],
      't' : ['y','h','g','f','r'],
      'y' : ['u','j','h','g','t'],
      'u' : ['i','k','j','h','y'],
      'i' : ['o','l','k','j','u'],
      'o' : ['p','l','k','i'],
      'p' : ['o','l'],
      # row 2
      'a' : ['q','w','s','z'],
      's' : ['a','w','e','d','x','z'],
      'd' : ['e','r','f','c','x','s'],
      'f' : ['r','t','g','v','c','d'],
      'g' : ['t','y','h','b','v','f','r'],
      'h' : ['y','u','j','n','b','g'],
      'j' : ['u','i','k','m','n','h'],
      'k' : ['i','o','l','m','j'],
      'l' : ['j','i','o'],
      # row 3
      'z' : ['a','s','x'],
      'x' : ['z','s','d','c'],
      'c' : ['x','d','f','v'],
      'v' : ['c','f','g','b'],
      'b' : ['v','g','h','n'],
      'n' : ['b','h','j','m'],
      'm' : ['n','j','k']
  }
  